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29 maj 2012 · A high idle in neutral due to a vacuum leak will usually cause the engine to die when placed in gear, especially if the idle adjust screw was turned down to alleviate the high idle in neutral as you mentioned.
1. Carburetor Issues Cause Boat Motors to Stall in Idle. 2. Idle Settings Not Configured Properly Will Stall a Boat Engine. 3. Water in the Fuel Supply Can Cause Your Outboard to Die. 4. Clogged Fuel Tank Vent Will Stall an Outboard at Idle. 5. Malfunctioning Idle Air Control Valve Will Stall a Boat Engine. 6.
Outboard Stalls When Idling. For an outboard that stalls while on idle, go through the following checklist to troubleshoot the problem: Check the Carburetor. If your outboard stalls whenever you drop it into idle, the problem usually lies with the carburetor.
The answer here is to disconnect the long control throttle cable from the carb and if it runs at idle then it is most likely not the carb. If it will not idle down on its own with the throttle (carb) linkage all the way seated for base idle then it may be the carb.
2 lut 2022 · Consult your outboard motor's manual to locate the idle speed adjustment screw. Start the engine and warm it up, then adjust the idle speed to the recommended RPM using a tachometer. Make small adjustments until you achieve smooth idling.
2 cze 2023 · Fixes for Boat Motor Acceleration Issues. If your boat motor idles but struggles to accelerate, consider the following fixes to address the underlying causes: 1. Replacing Fouled or Damaged Spark Plugs. Turn off the boat’s engine and allow it to cool before working on the spark plugs. Locate and remove the spark plug wires from the spark plugs.
21 lis 2013 · The engine stalls in neutral, at idle, only. When your outboard starts right up, keeps running with throttle applied in neutral, but shuts down the moment you come back to idle speed in neutral, the issue is likely to be a sticky or broken AIS (automatic idle speed) valve.
